linux-kernel - Re: [PATCH 1/4] vmscan: more simplify shrink_inactive

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Message-Id: <20091204172429.5889.A69D9226@jp.fujitsu.com>
Date:	Fri,  4 Dec 2009 17:26:50 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	kosaki.motohiro@...fujitsu.com,
	LKML <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>
Subject: Re: [PATCH 1/4] vmscan: more simplify shrink_inactive_list()

> This patch depend on "vmscan : simplify code" patch (written by Huang Shijie)
> 
> =========================================
> Now, max_scan of shrink_inactive_list() is always passed less than
> SWAP_CLUSTER_MAX. then, we can remove scanning pages loop in it.
> 
> detail
>  - remove "while (nr_scanned < max_scan)" loop
>  - remove nr_freed variable (now, we use nr_reclaimed directly)
>  - remove nr_scan variable (now, we use nr_scanned directly)
>  - rename max_scan to nr_to_scan
>  - pass nr_to_scan into isolate_pages() directly instead
>    using SWAP_CLUSTER_MAX

Andrew, please don't pick up this patch series awhile. I and some vmscan
folks are working on fixing Larry's AIM7 problem. it is important than this
and it might makes conflict against this.

I'll rebase this patch series awhile after.



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